baber/WOPTO huggingface dataset:
Patent WO-2019033550-A1 (WO)
Title: Goa circuit and liquid crystal display device
Inventor: SHI LONGQIANG
IPC: G09G3/36
Filed: 2017-10-24
Abstract: Provided are a GOA circuit (10) and a liquid crystal display device (1). The GOA circuit (10) comprises a multi-stage pull-up control unit (100); an nth-stage pull-up control unit (100) in the first m stages of pull-up control units (100) comprises a signal output control circuit (110), a first switching unit (T21), and a capacitor (C); the first switching unit (T21) comprises a control end (g), a first end (d), and a second end (s); the control end (g) of the first switching unit (T21) is electrically connected to one end of the capacitor (C); the first end (d) of the first switching unit (T21) receives an nth-stage clock signal (CKn); the second end (s) of the first switching unit (T21) is electrically connected to an nth-stage scanning line (Gn); one end of the capacitor (C) is electrically connected to the control end (g) of the first switching unit (T21), and the other end of the capacitor (C) is electrically connected to the second end (s) of the first switching unit (T21); and the signal output control circuit (110) is used for charging the capacitor (C) during a first time period (t1) and disconnecting a discharging path of the capacitor (C) during a second time period (t2), wherein the first time period (t1) and the second time period (t2) are consecutive time periods, and the second time period (t2) is after the first time period (t1).
Patent WO-2019037237-A1 (WO)
Title: Hinge pin feeding apparatus capable of being rapidly disassembled and assembled and having positioning function
Inventor: HE HANCHAO
IPC: B21L9/06
Filed: 2017-10-27
Abstract: Disclosed is a hinge pin feeding apparatus capable of being rapidly disassembled and assembled and having a positioning function, comprising a driving device (210), a clamping device (220), a hinge pin feeding base (230), a positioning plate (240), a fixing plate (260), and a disassembling device (250), wherein one end of the clamping device (220) is connected to the driving device (210), and the clamping device (220) is slidably connected to the hinge pin feeding base (230); and the positioning plate (240) is arranged at the bottom of the clamping device (220), the driving device (210) and the hinge pin feeding base (230) are fixed on the fixing plate (260), and the fixing plate (260) is connected to a workbench via the disassembling device (250). The cooperative use of the driving device (210), the clamping device (220) and the hinge pin feeding base (230) can realize the automatic feeding of a hinge pin, such that the production efficiency is improved, the safe operation of same by an operator is facilitated, and the operational risk is reduced.
Patent WO-2019075801-A1 (WO)
Title: Skincare mask and preparation method therefor
Inventor: YU JUN
IPC: A61Q19/00
Filed: 2017-11-07
Abstract: A skincare mask and a preparation method therefor, which relate to the field of chemistry and daily chemical products. The skincare mask is mainly prepared by the following raw materials comprising a first main material, a second main material and auxiliary materials. The first main material comprises 1 to 5 parts of Bletilla striata extract by weight; the second main material comprises 0.5 to 2 parts of epidermal growth factor by weight; and the auxiliary materials comprise 1 to 5 parts of glycerin, 0.1 to 1 part of polyglutamic acid, 0.1 to 1 part of hyaluronic acid and 85.2 to 97.2 parts of water by weight. The skincare mask has characteristics of repairing skin, resisting aging, moistening and moisturizing and being good in film-forming property, being safe and reliable.
Patent WO-2018046025-A1 (WO)
Title: 全息显示面板和全息显示装置
Inventor: TAN JIFENG
IPC: G03H1/22
Filed: 2017-11-10
Abstract: 一种全息显示面板、全息显示装置和全息显示方法。全息显示面板（100）包括：阵列布置的多个子像素（101）和布置在多个子像素（101）的出光侧的相位板（102）；以及阻挡部件（103），设置在子像素（101）和相位板（102）之间，且阻挡部件（103）在多个子像素（101）所在的平面上的正投影位于相邻子像素（101）之间，用于阻挡由子像素（103）衍射的光束的边缘部分。利用以上设置的阻挡部件（103），很好地解决了小尺寸子像素中夫琅和费衍射角所导致的光束串扰问题。因此，不仅能够获得清晰的子像素边缘，消除颜色串扰和灰度串扰，还能够提供准确的图像景深，提高了全息显示的视觉效果。
Patent WO-2018196352-A1 (WO)
Title: 用于制造多层结构光纤的光纤预制棒及制造光纤的方法
Inventor: LUO WENYONG
IPC: C03B37/012
Filed: 2017-11-20
Abstract: 一种用于制造多层结构光纤的光纤预制棒及采用该光纤预制棒制造多层结构光纤的方法。该光纤预制棒包括芯棒（1）、套设在芯棒外的石英薄套管（2）及套设于芯棒（1）与石英薄套管（2）之间的石英隔离管（3），石英薄套管（2）和石英隔离管（3）均由高纯二氧化硅组成，石英隔离管（3）和石英薄套管（2）之间的间隙形成第二填充空间。采用该光纤预制棒既能保持良好的光纤性能，又能简化光纤制造工艺过程，从而提升光纤制造效率。
Patent WO-2018166247-A1 (WO)
Title: 一种风电用高强高韧球墨铸铁的研制方法
Inventor: YANG JINDE
IPC: C22C37/04
Filed: 2017-12-08
Abstract: 一种风电用高强高韧球墨铸铁的研制方法，包括如下步骤：步骤一、熔炼炉料配比，具体为：生铁：废钢：回炉料＝40％-60％:15％-30％:15％-30％，同时在炉中加入一定量的75硅铁；步骤二、在球化包的一个坑中依次加入：1％的球墨铸铁球化剂、0.2％-0.4％高钙钡孕育剂、30-60g/t的Sb和压铁；步骤三、铁水从炉中倒入另外一个坑中，浇注时加入0.1％-0.2％的随流孕育剂，浇注温度为1350℃。通过对球化剂和微量元素的控制，消除高硅带来的碎块状石墨的倾向，保证良好的力学性能。
Patent WO-2019113904-A1 (WO)
Title: 飞行器安全起飞方法、降落方法及飞行器
Inventor: ZHANG GUOFANG
IPC: G05D1/10
Filed: 2017-12-14
Abstract: 一种飞行器安全起飞方法及飞行器，该安全起飞方法包括：飞行器可以通过姿态传感器获取第一起飞点的坡度信息，判断坡度信息是否大于第一起飞坡度阈值，在坡度信息大于第一起飞坡度阈值的情况下，执行安全降落操作。还公开了一种飞行器安全降落方法及飞行器，该安全降落方法包括：飞行器通过地形获取装置获取周围环境的地形信息，地形信息包括第一降落点的坡度信息，判断坡度信息是否大于第一降落坡度阈值，在坡度信息大于第一降落坡度阈值的情况下，执行安全降落操作。该方法和飞行器，可以避免飞行器起飞或降落时的侧翻，保障飞行器及飞行器上人员和财产的安全。
Patent WO-2018121517-A1 (WO)
Title: 测量锅炉灰渣可燃碳含量的方法
Inventor: XIA HONGDE
IPC: G01N27/62
Filed: 2017-12-26
Abstract: 本发明提供一种测量锅炉灰渣可燃碳含量的方法，包括：测量锅炉灰渣有氧燃烧时的氧气消耗量，由燃烧全部可燃碳的总氧气消耗量计算锅炉灰渣可燃碳的含量绝对值，其中所述总氧气消耗量是通过将锅炉灰渣在热重-质谱联用设备中燃烧与热解，由逸出气体质量流量求和值减去失重速率的求和值而获得的。本发明是通过准确测量气体的质量流量，结合失重的动态数据，精准测量可燃碳含量。该测量方法适用于所有锅炉灰渣，且不同种类灰渣的测量结果可以比对。
Patent WO-2019007015-A1 (WO)
Title: Application of compound of thioether acid structure in preparing anti-platelet aggregation drugs
Inventor: FAN KE
IPC: A61P9/10
Filed: 2018-07-03
Abstract: The present invention provides application of a compound of a thioether acid structure in preparing drugs for treating or preventing cardiovascular and cerebrovascular diseases caused by platelet aggregation. Carbocisteine, fudosteine, erdosteine, moguisteine, letosteine, prenisteine, nesosteine, midesteine, isalsteine, taurosteine, telmesteine, salmisteine, omonasteine, dacisteine, cartasteine, danosteine, guaisteine, bencisteine, and thiodiglycolic acid are comprised.
Patent WO-2018233295-A1 (WO)
Title: Array substrate and manufacturing method thereof, display panel and display device
Inventor: GUO YUZHEN
IPC: H01L27/32
Filed: 2018-01-30
Abstract: An array substrate and a manufacturing method thereof, a display panel and a display device. The array substrate is divided into a plurality of pixel regions, and comprises: a pixel thin-film transistor (301) provided in each of the pixel regions; and a pressure component and a pressure thin-film transistor (302), provided in at least a part of the pixel regions. The pressure thin-film transistor (302) comprises a first terminal (35, 36), a second terminal (35, 36), and a control terminal (33). The pressure component is connected to the first terminal (35, 36) or the control terminal (33) of the pressure thin-film transistor (302). Further, at least a part of a layer structure of the pixel thin-film transistor (301) and a corresponding layer structure of the pressure thin-film transistor (302) are provided at a same layer.
Patent WO-2019007046-A1 (WO)
Title: Intelligent aromatherapy humidifier capable of automatically adjusting aroma
Inventor: HENG DEDONG
IPC: F24F6/14
Filed: 2018-01-31
Abstract: An intelligent aromatherapy humidifier capable of automatically adjusting aroma, comprising a shell (10) and a liquid storage box (20) provided in the shell (10); the liquid storage box (20) is provided in the shell (10), the interior of the liquid storage box (20) is partitioned into at least two liquid storage cavities (24) by means of a vertical partition plate (23), an atomizer (25) is provided at the bottom of each liquid storage cavity (24), and an exhaust hole (221) is formed in the middle of the top of the liquid storage box (20) corresponding to each liquid storage cavity (24); a rotating spray head (30) is rotatably provided in the middle of the top of the shell (10), an air inlet (31) is formed in the bottom of the rotating spray head (30), and the air inlet (31) can selectively communicate with the exhaust hole (221) corresponding to one of the liquid storage cavities (24) by rotating the rotating spray head (30). When the intelligent aromatherapy humidifier is used, one of atomizers (25) can be selectively started to atomize mixed liquid in the corresponding liquid storage cavity (24) to generate aroma, then the corresponding air inlet (31) communicates with the exhaust hole (221) of the corresponding liquid storage cavity (24) by adjusting the rotating spray head (30), so that the aroma in the liquid storage cavity (24) is sprayed from a nozzle of the rotating spray head (30), and an aromatherapy effect is generated.
Patent WO-2019148531-A1 (WO)
Title: Pharmaceutical composition for treating viral hepatitis c
Inventor: WU JINZI JASON
IPC: A61K31/4709
Filed: 2018-02-09
Abstract: The present invention provides a pharmaceutical composition for treating viral hepatitis C. The pharmaceutical composition comprises Ravidasvir or pharmaceutically acceptable salts thereof (ASC16) and Danoprevir or pharmaceutically acceptable salts thereof (ASC08). The joint application of ASC16 and ASC08 yields an enhanced effect, and an experimental result shows that ASC16 and ASC08 can form an effective joint anti-HCV treatment plan. Moreover, the joint application plan of ASC16 and ASC08 further expands the action spectrum of a treatment drug. More importantly, the joint application of ASC16 and ASC08 solves the problem of drug resistance.
Patent WO-2019091012-A1 (WO)
Title: 基于人脸识别的安检方法、应用服务器及计算机可读存储介质
Inventor: CHEN LIN
IPC: G07C9/00
Filed: 2018-02-10
Abstract: 一种基于人脸识别的安检方法、应用服务器及计算机可读存储介质，方法包括：当检测到身份信息卡时，获取身份信息卡的图像(S301)；成功获取身份信息卡的图像时，开启第一闸机门(S302)；开启第一闸机门后，控制多个摄像头同时多次捕捉旅客人脸头像(S303)；对比多个摄像头捕捉到的人脸头像以筛选出旅客的正脸头像(S304)；将捕捉到正脸像与获取到的身份信息卡的图像进行对比(S305)；正脸头像与获取到的身份信息卡的图像匹配成功时，开启第二闸机门(S306)。基于人脸识别的安检方法、应用服务器及计算机可读存储介质可以使得人脸识别过程是在旅客的行进过程中完成，并不占用旅客的等待时间，避免造成拥堵。
Patent WO-2018177285-A1 (WO)
Title: 一种脉冲密度调制方法及脉冲密度值信号转换电路
Inventor: XIA NAN
IPC: H03M7/04
Filed: 2018-03-27
Abstract: 本发明公开了一种脉冲密度调制方法及脉冲密度值信号转换电路，方法包括以下步骤：S01、获取二进制密度值d的位数n，将计数器的位数设置为n，计数器初始值为0或1；S02、搜索最右的1：获取计数器当前的值i最右的1从右往左计数所在的位数j；计数器中的数为二进制数；j的最小值为1；S03、判断对应位是否相等：如果d从左往右数第j位是1，则本周期输出的信号位为1；如果d从左往右数第j位是0，则本周期输出的信号位为0；S04、计数器的值i加1，进入下一个周期，跳转到步骤S02。本方案可以使输出电压更加均匀平滑。
Patent WO-2018184497-A1 (WO)
Title: Noyau de guidage de commutateur de touche
Inventor: WU FUXI
IPC: H01H13/02
Filed: 2018-03-28
Abstract: L'invention concerne un noyau de guidage d'un commutateur de touche comprenant un corps (1) de noyau de guidage, le corps (1) de noyau de guidage comprenant une partie noyau de guidage supérieure (11) et un pied de guidage de lumière solide (12) situé au niveau de l'extrémité inférieure de la partie noyau de guidage supérieure (11), et le pied de guidage de lumière solide (12) comportant une surface de guidage de lumière concave (121) au niveau de son extrémité inférieure. Le noyau de guidage a les effets d'absorption de lumière, de diffusion de lumière, d'émission de lumière et de guidage de lumière, et a une bonne performance d'émission de lumière. De plus, le noyau de guidage peut se déplacer verticalement vers le bas lors du processus d'appui sur le commutateur de touche, de façon à maintenir une force de transmission vers le bas équilibrée et à obtenir une force d'appui uniforme, de sorte que le commutateur de touche puisse établir un contact électrique quelle que soit la position à laquelle on appuie.
Patent WO-2018192367-A1 (WO)
Title: 与目标客户的通话方法、业务终端、服务器及存储介质
Inventor: WANG HAIPING
IPC: H04M3/24
Filed: 2018-04-04
Abstract: 本申请适用于通信技术领域，提供了一种与目标客户的通话方法、业务终端、服务器及计算机可读存储介质。所述通话方法包括：接收目标客户选择信息，并根据所述目标客户选择信息生成通话指令发送给服务器，所述通话指令包括业务终端标识和目标客户标识，以使得所述服务器根据所述通话指令获取与所述目标客户标识对应的联系信息，并向所述联系信息对应的客户终端发送所述业务终端到所述客户终端的通话请求；接收通过所述服务器实时转发的所述客户终端采集的语音信息。所述通话方法能够很好的防止客户的联系信息外泄，且便于客户信息管理。
Patent WO-2019144508-A1 (WO)
Title: Chemical synthesis method for o-antigen oligosaccharide of plesiomonas shigelloides serotype o51
Inventor: YIN JIAN
IPC: A61P31/00
Filed: 2018-04-11
Abstract: Disclosed is a chemical synthesis method for an O-antigen oligosaccharide of Plesiomonas shigelloides serotype O51, which method belongs to the field of chemistry. In the present invention, source-rich D-glucose, L-fucose, D-glucosamine, etc., are used as raw materials to prepare three glycosylated building blocks, a synthetic route composed of 11 reaction modules is designed, and the preparation of the target oligosaccharide chain is successfully completed by the optimization of protecting groups and the optimization of the timing of introduction of modifying groups. The raw materials of the oligosaccharide chain prepared in the present invention are cheap and readily available, the preparation method therefor is simple and repeatable, and same has a good application prospect in the development of new drugs and vaccines for Plesimonas shigelloides, etc.
Patent WO-2018233363-A1 (WO)
Title: Audio processing circuit and terminal device
Inventor: YIN DEYANG
IPC: H03F3/72
Filed: 2018-04-18
Abstract: An audio processing circuit and a terminal device. The circuit comprises a cascaded operational amplifier circuit, an output node, and a pull-down circuit. The cascaded operational amplifier circuit is used for amplifying an input voltage, and outputting the amplified voltage to the output node. The cascaded operational amplifier circuit comprises a first operational amplifier circuit and a second operational amplifier circuit. The first operational amplifier circuit is a previous-stage operational amplifier of the second operational amplifier circuit. The first operational amplifier circuit comprises a main operational amplifier and a secondary operational amplifier connected in parallel. One end of the pull-down circuit is coupled to the output node, and the other end of the pull-down circuit is grounded or connected to a common-mode voltage module. The pull-down circuit is used for pulling down the voltage of the output node when the first operational amplifier circuit is turned on. The second operational amplifier circuit is used for turning on the auxiliary operational amplifier, and then controlling the voltage gain of the auxiliary operational amplifier to gradually change from low to high, thereby controlling the voltage of the output node to follow the gradual change of output resistance, i.e., gradually changing from low to high. By using the circuit provided by this solution, POP noises in a process of establishing an operational amplifier path can be effectively suppressed.
Patent WO-2018196739-A1 (WO)
Title: 即时通信群组的管理方法和装置
Inventor: LIU LINDONG
IPC: H04L12/18
Filed: 2018-04-24
Abstract: 本申请提供一种即时通信群组的管理方法和装置。所述方法包括：确定群组会话消息中的必读消息；根据所述必读消息的阅读情况，确定是否满足群组解散条件；若满足群组解散条件，则基于预设的策略解散该群组。本申请可以根据群组中必读消息的阅读情况确定是否满足群组解散条件，并在满足该群组解散条件时，基于预设的策略解散该群组，从而解散大量的"僵尸群"，降低群组管理的复杂度，同时还可以释放服务端的存储、处理等各项资源。
Patent WO-2019144534-A1 (WO)
Title: Method and device for playing advertisement during live broadcast, and client
Inventor: ZHANG HUABING
IPC: H04N21/2187
Filed: 2018-04-24
Abstract: The present invention relates to the technical field of Internet, and in particular to a method and device for playing an advertisement during live broadcast, and a client. A first client is connected to a second client, and the first client and the second client are both connected to a serving terminal. The method comprises: a first client obtains, in response to an operation of a user entering a live broadcast room, advertisement resources from a serving terminal; when an advertisement resource is required to be played, a second client selects, in response to a selection operation of the user, one advertisement resource from an advertisement resource pool of the serving terminal as a target advertisement resource and sends the number of the target advertisement resource to the first client terminal; the first client plays the target advertisement resource. In the present solution, the second client randomly determines an advertisement resource from the advertisement resource pool of the serving terminal, and the first client implements the specific playback of the advertisement resource, thereby greatly improving the flexibility of advertisement playback during live broadcast, without playing a pre-designated advertisement.
Patent WO-2019218226-A1 (WO)
Title: Suspended ceiling system having water pipe and high-voltage cable installed therein
Inventor: YANG HONGBIN
IPC: E04F13/074
Filed: 2018-05-16
Abstract: A suspended ceiling system having a water pipe and a high-voltage cable installed therein comprises a frame (1), a suspended ceiling base panel (2), at least two suspension rods (3), a water pipe holding member (4), a water pipe (5), a high-voltage cable routing member (6), and a high-voltage cable (7). The water pipe holding member (4) is installed at a wall within a suspended ceiling. The high-voltage cable routing member (6) is installed at a floor panel within the suspended ceiling. The suspended ceiling system realizes separation of a supporting member from an installed component, thereby reducing difficulty and costs relating to inspection and repair of water pipes and high-voltage cables.
Patent WO-2019205215-A1 (WO)
Title: Rear-view mirror, usage method, and automobile
Inventor: PAN LEI
IPC: B60Q3/258
Filed: 2018-05-24
Abstract: A rear-view mirror and an automobile, the rear-view mirror comprising a front shell (100), a rear shell (200), and at least one projection device (300). The rear shell (200) comprises an encircling side panel (210) and a rear panel (220), one end of the encircling side panel (210) connecting to the rear panel (220), and the front shell (100) covering the other end of the encircling side panel (210). A plurality of fixing parts (700) are provided on the interior side of the rear panel (220) facing the front shell (100). The encircling side panel (210) is provided with a plurality of light-transmitting holes (215). Each projection device (300) comprises a shell body (310) and a lens (320) provided on the shell body (310), the shell body (310) being provided on a fixing part (700), and the direction of the lens (320) being towards the light-transmitting holes (215). The automobile comprises a car body and the rear-view mirror, the rear-view mirror being installed inside the car body by means of a support (400).
Patent WO-2019015408-A1 (WO)
Title: Mixing blade capable of automatically lifting, rotating and cutting
Inventor: YUAN QI
IPC: A47J19/02
Filed: 2018-06-05
Abstract: Disclosed is a mixing blade capable of automatically lifting, rotating and cutting, comprising an output shaft (5) and a blade holder (3) having a mixing blade piece (3.1), wherein the blade holder (3) is mounted on an upper end of the output shaft (5), a hollow rod (6) capable of rotating is mounted at the bottom of the output shaft (5), and the output shaft (5) is radially fixed to the hollow rod (6) and moves axially; a convex pin (13) is radially provided at the bottom of the output shaft (5), a sliding sleeve (7) capable of rotating is movably sheathed on the outside of the hollow rod (6), an inclined helical sliding groove (7.1) is provided on the inner surface sliding sleeve (7), and the convex pin (13) is movably nested in the helical sliding groove (7.1); and the hollow rod (6) drives the output shaft (5) to rotate at a first rate, the sliding sleeve (7) rotates at a second rate, and when there is a rotational rate difference between the first rate and the second rate, the output shaft (5) can rotate relative to the sliding sleeve (7), and the convex pin (13) will move along the track of the helical sliding groove (7.1), driving upward and downward circulatory lifting at the same time as the rotation of the blade holder (3).Together with axially rotating itself, the mixing blade further adds the function of automatic upward and downward circulatory lifting, and in this way can enable food in a container to be fully mixed and cut. The invention has the advantages of a simple structure and high mixing and cutting efficiency.
Patent WO-2019041940-A1 (WO)
Title: Electric scooter with detachable battery
Inventor: HAN XIAODONG
IPC: A63C17/00
Filed: 2018-06-06
Abstract: An electric scooter with a detachable battery, comprising: a front axle assembly (10), comprising a front axle frame (11) and front wheels (12) connected to the front axle frame (11); a rear axle assembly (20), comprising a rear axle frame (21), two rear wheels (22) respectively connected to two ends of the rear axle frame (21), and a motor in driving connection with the two rear wheels (22); a pedal surface (30), two ends of the pedal surface (30) being respectively mounted on the front axle frame (11) and the rear axle frame (21); and a power supply compartment (40), comprising a first compartment (41) and a second compartment (42), and the first compartment (41) and the second compartment (42) being both disposed on the pedal surface (30). When the battery is exhausted, the battery in the second compartment (42) can be taken out and is replaced with a fully charged battery, thus achieving the purpose of simple and quick battery replacement, improving the battery life, and enhancing the continuous operation of the scooter.
Patent WO-2018224012-A1 (WO)
Title: 邻小区信息的发送方法、处理方法、网络侧设备和终端
Inventor: YANG XIAODONG
IPC: H04W24/10
Filed: 2018-06-07
Abstract: 本公开提供邻小区信息的发送方法、邻小区信息的处理方法、网络侧设备和终端。该邻小区信息的处理方法包括：终端接收网络侧设备发送的邻小区的同步相关信息；以及终端对同步相关信息进行解析。
Patent WO-2020000293-A1 (WO)
Inventor: HUANG HONGFEI
IPC: B24B55/06
Filed: 2018-06-28
Abstract: A steel plate rust removal machine, comprising a rust removal machine body (1), wherein a base (8) is disposed at an outer part of the rust removal machine body (1), a rust removal liquid nozzle (9) is mounted at one side of the base (8), and a handle (17) is mounted at the other side of the base (8); a high pressure oil mist nozzle (2) is mounted below one side of the base (8), and a control panel (3) is embedded in and mounted at a front side surface of the base (8); telescopic wheels (7) are mounted below the base (8); and an electromagnetic plate (19) is provided. After energization, the electromagnetic plate (19) will have a strong attraction for iron, and may attract and clean up iron objects generated during grinding. The structure thereof is simple and easy to use, and the cleaning difficulty is reduced. A rubber dust-proof cover (6) is provided, and dust generated during grinding may be controlled by means of the rubber dust-proof cover (6) so as to prevent the dust from flying and causing damage to the respiratory organs of an operator, thereby improving the quality of a working environment.
Patent WO-2019237435-A1 (WO)
Title: Core of high-efficiency and high-speed case sealer and method for using same
Inventor: ZHANG QIANG
IPC: B65B51/06
Filed: 2018-06-28
Abstract: A core of a high-efficiency and high-speed case sealer. The core comprises a tension-changing mechanism and an elastic force-variable mechanism; the elastic force-variable mechanism comprises a cylinder II (9), a spring stretching plate (10) is fixed at the top end of a push rod of the cylinder II (9), and two return springs (12) are fixed on the spring stretching plate (10), the other ends of the return springs (12) are fixed on a spring fixing plate (14) on a rear arm (16), the cylinder II (9) controls the tension degree of the return springs (12) on a rear arm wheel (22), so that the return springs (12) have different restoring forces at different stages; and the tension-changing mechanism comprises a cylinder I (4), a prestretching roller (5) is fixed at the top end of a push rod of the cylinder I (4), and the cylinder I (4) controls the prestretching roller (5), so that the adhesive tape has different tensions at different stages. Thus, the core of the case sealer can prevent the adhesive tape from getting rippled and prevent the attached adhesive tape from falling off. The core of the high-efficiency and high-speed case sealer is suitable for a flexible carton or an empty carton, and can improve the case sealing efficiency, reduce the bad rate of case sealing and reduce the requirements for carton quality, improving the economic benefits.